I know. But I bought my laptop half year ago and I like it. I don't want to sell it only because AMD isn't able to support their own products. Anyway, my next hardware will be Intel CPU and nVidia GPU, it's still better combination, than AMD+AMD for Linux.

I think it'll release with the non-beta version of the Steam Linux Client.Looking at the l4d2 results from august last year, and the current state of TF2, I'd be surprised, if l4d2 wasn't already ready for release, once Source Engine is polished, and the Steam client is perfect. My guess is, they're tweaking everything for a few other distros, before release.